Viagrex Sildenafil Citrate Warfarin Sodium
ModerateClinical studies show that CYP2C9 inhibitors like warfarin, along with CYP2D6 inhibitors, thiazide and related diuretics, ACE inhibitors, and calcium channel blockers, have no effect on the pharmacokinetics of sildenafil.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.